51950331 has 12 divisors (see below), whose sum is σ = 77067952. Its totient is φ = 33697296.

The previous prime is 51950329. The next prime is 51950333. The reversal of 51950331 is 13305915.

It is an interprime number because it is at equal distance from previous prime (51950329) and next prime (51950333).

It is not a de Polignac number, because 51950331 - 2¹ = 51950329 is a prime.

It is a super-2 number, since 2×51950331² = 5397673782019122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51950295 and 51950304.

It is not an unprimeable number, because it can be changed into a prime (51950333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77671 + ... + 78336.

Almost surely, 2^51950331 is an apocalyptic number.

51950331 is a deficient number, since it is larger than the sum of its proper divisors (25117621).

51950331 is a wasteful number, since it uses less digits than its factorization.

51950331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156050 (or 156047 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 51950331 is about 7207.6578026430. The cubic root of 51950331 is about 373.1322380186.

The spelling of 51950331 in words is "fifty-one million, nine hundred fifty thousand, three hundred thirty-one".